rYRALIDJE. 30o 



convex ; cell more than half the lengtli ; first subcostal emitted near to end of tlio 

 cell, second fi-om angle close to end, trifid, fifth from end ; discocellular concave, radials 

 from near each end ; middle median immediately before end of the cell, lower at one- 

 fifth ; siibmedian much curved from the base: hindwing rather short and narrow; 

 exterior margin very oblique, convex ; cell half the length ; two subcostals from end, 

 upper extending half its lengtli along the costal ; discocellular outwardly oblique, 

 concave, radial from its lower end ; two upper medians from end of the cell, lower 

 at two-fifths. Cilia broad. Body slender ; palpi rather slender, curved, second joint 

 pilose beneath, extending half beyond the eyes, third joint slender, squamous; 

 maxillary palpi pilose, extending beyond second joint of labial ; antennre submonili- 

 form, minutely pubescent in male ; legs long, bare, spurs rather short. 

 Tijpe, N. stagnata (potamagalis, Hiibn.). 



NYMPHULA DEPUNCTALIS. 



Ili/Jrocampa depunctalis, Gueuee, Delt. et Pyi'al, p. 247 (1S54); Walker, Catal. Lep. Het. B. M. xvii. 



p. 461. 

 Zebronia decussulis. Walker, Catal. Lep. Het. B. M. xvii. p. 481 (1859). 



White. Forewing crossed by a very pale ochreous -yellow antemedial and a 

 postmedial interrupted band, and a short oblique baud from the costa before the 

 apex, followed by a subraarginal lunular line, and a slender marginal line ; a blackish- 

 speckled spot on inner band below the cell, and a similar lunula at end of the cell : 

 hindwing with an interrupted medial and discal pale ochreous l^and, ma'^giual lunular 

 line, and slender marginal line. Cilia with an ochreous-yellow macular inner line. 

 Sides of palpi and fore tiljite above brownish. 



Expanse, c? tV, 5 nr inch. 



Genus ISOPTERYX, 



Isopteri/x, Guenee, Delt. et Pyral. p. 227 (1854) ; Walker, Catal. Lep. Het. B. M. xvii. p. 398 (1859); 

 Lederer, Pyr. Wien. Eat. Monat. vii. p. 449 (1863). 



Wings small. Forewing rather long, narrow ; cell half the length ; first subcostal 

 emitted close to end of cell, second trifid, fifth from the end ; discocellular concave, 

 radials from near upper end and at lower end ; two upper medians from end of cell, 

 lower at nearly one-third : hindwing with the exterior margin convex in the middle ; 

 cell one-third the lengtli ; subcostals from the end; discocellular deeply concave, 

 radial and upper median from the end of cell, lower at one-third. Body moderately 

 slender, abdomen not long ; labial palpi obliquely ascending, reaching to level of the 

 eyes, second joint rather broad, truncate, coarsely squamous, third joint short, 

 pointed, smooth; maxillary palpi small, linear; antennce slender, setaceous; legs 

 rather long, slender, smooth, hind spurs nearly equal. 



Tijpe, I. foedalis. 



VOL. III. R r 



